Most users update their iphone and ipad devices via over-the-air directly from their device or using itunes on their windows or mac computers. but advanced users prefer to install ios updates using the ipsw firmware files that are available to download via the developer console or itunes (if you know the trick).. This displays the ipsw browse menu which you can use to select your choice ipsw file after which itunes will restore your device to the firmware you desire. extra tips: restore custom ipsw using third-party software for iphone/ipad/ipod. users may want to avoid the trouble of searching for a custom ipsw file and installing it on their phone.. Since the clean installation involved wiping the device, it is advised to take a backup of your device either using itunes or icloud. once you have backed up all your important device, you can download the full-sized ipsw files from the download links below and flash it using itunes..
Download & install ios 12 using itunes once you get & download [.ipsw] file for your iphone/ipad/ipod touch model. connect your iphone to itunes via lightning cable, unlock ios device > go device summary page on itunes > press option key on mac & shift key on windows + restore button on itunes .. Part 1:install ipsw file on iphone ipad with itunes (lead to data loss) step 1.download the ios ipsw file[ links below ] that relates to your specific ios device. step 2.run itunes. step 3.connect your device to the computer. step 4.open device summary for the ios device you are updating.. Download ios 9.0.1 ipsw firmware from here, or download ios 9 ipsw firmware for your device here, be sure to pick the exact model you wish to update itunes 12.3 is strongly recommended due to bundled ios 9 support, though itunes 12.2 apparently works too.
